Search for dissertations about: "Window layer"
Showing result 11 - 15 of 72 swedish dissertations containing the words Window layer.
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11. Device design and process integration for SiGeC and Si/SOI bipolar transistors
Abstract : SiGe is a significant enabling technology for therealization of integrated circuits used in high performanceoptical networks and radio frequency applications. In order tocontinue to fulfill the demands for these applications, newmaterials and device structures are needed. READ MORE
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12. Ion Insertion into Electrode Materials Studied with X-Ray and Electron Spectroscopic Methods
Abstract : Ion insertion into electrode materials can be used to store energy in battery applications. In this thesis, photoelectron spectroscopic and x-ray absorption spectroscopic methods have been used to study the change of the electronic structure of host materials during electrochemical ion insertion. READ MORE
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13. Potential-Induced Degradation and possibilities for recovery of CuIn1-xGaxSe2 thin film solar cells
Abstract : The long-term performance of solar modules is of key importance to achieve profitable solar power installations. In this work, the degradation mechanism potential-induced degradation (PID) was investigated for CuIn1-xGaxSe2 (CIGS) thin film solar cells. READ MORE
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14. Optimization of Ohmic Contacts and Surface Passivation for ‘Buffer-Free’ GaN HEMT Technologies
Abstract : Gallium nitride high electron mobility transistors (GaN HEMTs) draw attention from high frequency and high power industries due to unique properties including high electron mobility and saturation velocity combined with high breakdown voltage. This makes GaN HEMTs suitable for power devices with high switching speed and high frequency applications with high power density requirements. READ MORE
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15. Nano and Grain-Orientated Ferroelectric Ceramics Produced by SPS
Abstract : Nano-powders of BaTiO3, SrTiO3, Ba0.6Sr0.4TiO3, a mixture of the composition (BaTiO3)0.6(SrTiO3)0. READ MORE